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minus-squarehumanspirallinkfedilinkEnglisharrow-up3·3 days agoWhat is argument for Ceres and Eris being planets?
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkEnglisharrow-up2·23 hours agoHydrostatic equilibrium. Their gravity is enough to pull their mass into a sphere-ish shape. Contrast to asteroids that are irregular.
minus-squarerockerface 🇺🇦@lemm.eelinkfedilinkEnglisharrow-up3arrow-down1·3 days agoThe same as for Pluto
minus-squarelunarul@lemmy.worldlinkfedilinkEnglisharrow-up2arrow-down1·3 days agoLarge round bodies orbiting the sun.
What is argument for Ceres and Eris being planets?
Hydrostatic equilibrium. Their gravity is enough to pull their mass into a sphere-ish shape.
Contrast to asteroids that are irregular.
The same as for Pluto
Large round bodies orbiting the sun.